package com.example.demo.mapper;

import com.example.model.Student;

public interface StudentMapper {
  int deleteByPrimaryKey(Integer id);

  int insert(Student record);

  int insertSelective(Student record);

  Student selectByPrimaryKey(Integer id);

  int updateByPrimaryKeySelective(Student record);

  int updateByPrimaryKey(Student record);

  Long selectAllStudentCount();
}